Whenever i try to login i get an error saying "No such feature exists (Error code -5)
Workstation version is 1.9
This Community being focused on Industrial Automation, won't be able to provide you any insight about Building Automation topics.
I would recommend you connect with your local sales or Customer Care Center, to get the answer to this issue.
Power & Building Community Manager
Try placing your question in
I found a few thing about this code. Not sure if it helps otherwise reachout to support as Jean said.
Is the ES running?
Maybe @Omaelk can move your question for you.